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Learning from Data: A Short Course

A comprehensive introductory textbook that teaches statistical reasoning as a way of learning about the world from variable, messy data through descriptive and inferential procedures.

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What it’s about

Learning From Data: An Introduction to Statistical Reasoning teaches readers a new way of thinking about and learning from data across psychological, social, educational, political, and economic domains. Rather than treating statistics as mere number-crunching, the book emphasizes the logic underlying each procedure: why variability matters, how sampling distributions enable inference, and how the six-step hypothesis-testing schema applies from the simplest z-test to complex factorial ANOVA. Built around two real datasets (a smoking-cessation study and a maternity/marital-satisfaction study), the book devotes a full chapter to each difficult concept, uses extensive repetition, and integrates parametric and nonparametric procedures so students learn to choose the right tool. It uniquely confronts the gap between random sampling (which statistics textbooks preach) and random assignment (which experiments actually use), giving readers the conceptual tools to question and challenge data-based claims and to conduct sound research themselves.

The through-line

Who it’s for
A student or researcher in the behavioral sciences who wants to understand, conduct, and critically evaluate data-based claims about the world.
The problem
Data in the behavioral sciences are messy and variable, making it impossible to see clear facts without proper analysis, and the reader must choose and apply the right statistical procedure. The reader feels intimidated by statistics, fears the math, and worries they cannot tell good data from misleading claims.
The plan
  1. Learn to describe data with frequency distributions, central tendency, variability, and z scores.
  2. Understand probability and sampling distributions as the foundation of inference.
  3. Master the six-step hypothesis-testing schema and apply it across procedures.
  4. Use the Statistical Selection Guide to pick the right test for any situation.
  5. Distinguish random sampling from random assignment to know what you can conclude.
The payoff
The reader can choose and correctly apply the appropriate statistical procedure for any situation. · The reader can interpret data and their limitations, drawing conclusions only about the populations sampled. · The reader can critically question and challenge data-based claims in everyday life.

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